package com.xzz.search;

/**
 * @author: hhz
 * @create: 2021-12-28 10:59
 **/
public class Search {
    public static void main(String[] args) {
        int[] nums = new int[]{-1,0,3,5,9,12};
        System.out.println(search(nums,9));
    }

    public static int search(int[] nums, int target) {
        int left = 0;
        int right = nums.length - 1;
        while (right >= left) {
            int mid = left + (right - left) / 2;
            if(nums[mid] == target){
                return mid;
            }else if(nums[mid]>target){
                right = mid-1;
            }else if(nums[mid]<target){
                left = mid+1;
            }
        }
        return -1;
    }
}
